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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 30x 30x 30x 30x 30x 30x 30x 30x 8x 8x 22x 22x 30x 65x 65x 134x 134x 134x 65x 65x 22x 30x 3x 3x 3x 3x 3x | /**
* @license Apache-2.0
*
* Copyright (c) 2026 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MAIN //
/**
* Replicates each element in a double-precision floating-point strided array a specified number of times using alternative indexing semantics.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {PositiveInteger} k - number of times to replicate each element
* @param {Float64Array} x - input array
* @param {integer} strideX - stride length for `x`
* @param {NonNegativeInteger} offsetX - starting index for `x`
* @param {Float64Array} out - output array
* @param {integer} strideOut - stride length for `out`
* @param {NonNegativeInteger} offsetOut - starting index for `out`
* @returns {Float64Array} output array
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0 ] );
* var out = new Float64Array( 6 );
*
* dreplicate( 3, 2, x, 1, 0, out, 1, 0 );
* // out => <Float64Array>[ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ]
*/
function dreplicate( N, k, x, strideX, offsetX, out, strideOut, offsetOut ) {
var ix;
var io;
var v;
var i;
var j;
if ( N <= 0 || k <= 0 ) {
return out;
}
ix = offsetX;
io = offsetOut;
for ( i = 0; i < N; i++ ) {
v = x[ ix ];
for ( j = 0; j < k; j++ ) {
out[ io ] = v;
io += strideOut;
}
ix += strideX;
}
return out;
}
// EXPORTS //
module.exports = dreplicate;
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